Among many other initiatives, Chicago has agreed to buy 20% of its power from renewable sources by 2006, which is spurring the local development of renewable energy technology. Indeed, some renewable energy companies have moved into the city’s new Chicago Center for Green Technology, an ecologically-intelligent facility built on a restored industrial site. Looking ahead, we see Chicago becoming a hub of green manufacturing and transit, energy effectiveness, environmental restoration and cradle-to-cradle material flows – all of which adds up to flourishing human communities that generate an abundance of ecological, economic and cultural wealth.